The PMP4448 is universal AC in, low cost non-isolated LED driver solution. It implements a valley switching mode controller TPS92314. The driver has high power factor, and provides a constant current 230mA, maximum at up to 29VDC to drive a string of LEDs. The PMP4448 is fully tested and passes EMC (CE) requirements.
- Non isolated solution
- Low total BOM cost eliminating transformer
- Good line and load regulation
- Output Over Voltage/Open LED protection
- Efficiency >85%
- High PF >0.9 over VIN range